4-Channel Line Output Converter with Auto Turn-On & Speaker Emulator
Upgrading your factory system doesn’t have to be a headache. DS18’s VX4HL bridges the gap between OEM and aftermarket—giving you four channels of Line output conversion without signal loss or interference.
Built-in Speaker EmulatorNo more warning lights or system errors. The VX4HL includes DS18’s built-in speaker load emulation, ensuring compatibility with modern vehicle systems that rely on speaker detection. Your system stays happy and your signal stays solid.
Noise-Free PerformanceEngineered with advanced noise rejection circuitry, the VX4HL blocks unwanted interference and distortion. It handles frequency from 10Hz to 30kHz with a THD of just 0.02% at 1kHz, preserving the clarity of your signal from start to finish.
Smart Auto Turn-OnFeaturing a 3V DC trigger, this converter automatically powers your amp setup when your factory head unit turns on. No relay. No delay. Just easy automation for your system.
Durable + CompactBuilt into a tough ABS housing, the VX4HL is compact enough to fit just about anywhere and rugged enough to last. Short circuit protection and level matching controls keep your gear safe and optimized at all times.













